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Enzyme–microbe synergy during cellulose hydrolysis by Clostridium thermocellum
Open accessAbstract
Specific cellulose hydrolysis rates (g of cellulose/g of cellulase per h) were shown to be substantially higher (2.7- to 4.7-fold) for growing cultures of Clostridium thermocellum as compared with purified cellulase preparations from this organism in controlled experiments involving both batch and continuous cultures. This “enzyme–microbe synergy” requires the presence of metabolically active cellulolytic microbes, is not explained by removal of hydrolysis products from the bulk fermentation broth, and appears due to surface phenomena involving adherent cellulolytic microorganisms. Results support the desirability of biotechnological processes featuring microbial conversion of cellulosic biomass to ethanol (or other products) in the absence of added saccharolytic enzymes.
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Cited by
Enzymatic conversion of lignocellulose into fermentable sugars: challenges and opportunities
Jørgensen, H., Kristensen, J. B., & Felby, C. (2007) · Biofuels, Bioproducts and Biorefining · doi:10.1002/bbb.4 · Cited by 1,143
Fontes, C. M. G. A., & Gilbert, H. J. (2010) · Annual Review of Biochemistry · doi:10.1146/annurev-biochem-091208-085603 · Cited by 555
Extremely thermophilic microorganisms for biomass conversion: status and prospects
Blumer-Schuette, S. E., Kataeva, I., Westpheling, J., Adams, M. W., & Kelly, R. M. (2008) · Current Opinion in Biotechnology · doi:10.1016/j.copbio.2008.04.007 · Cited by 269
Salehi Jouzani, G., & Taherzadeh, M. J. (2015) · Biofuel Research Journal · doi:10.18331/brj2015.2.1.4 · Cited by 224
Metadata
- Authors
- Lu, Y., Zhang, Y.-H. P., & Lynd, L. R.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2006-10-31
- Volume
- 103
- Issue
- 44
- Pages
- 16165-16169
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W1964428446
- Cited by
- 220
- References
- 0
- FWCI
- 6.58
- Type
- journal article
- Language
- en
- Open access
- green
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- Lu, Y., Zhang, Y.-H. P., & Lynd, L. R. (2006). Enzyme–microbe synergy during cellulose hydrolysis by Clostridium thermocellum. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0605381103
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